Alpen Shasta Ridge Binoculars - 8 x 42mm / 10 x 42mm Fully multi-coated BAK4 optics for clear, bright, high resolution images. PXA phase coating for superior resolution and color fidelity. Center focus system. Waterproof, fog-proof and nitrogen filled. Long eye relief provides viewing comfort for eye glass wearers. Rubber covered ergonomic design for shock resistance and better grip. Twist up eye cups; Soft rubber rain guards. Durable nylon carrying case, extra wide neck strap and cleaning cloth.